Jobs in the United States

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Added 3 mins ago
Software Engineer - Entry Level
Skyward
Stevens Point, WI
Experience with the Microsoft .NET/MS SQL stack and/or OpenEdge ABL (Progress) is a plus
Added 8 mins ago
Sr. RF Communications Systems Engineer – Ground Segment
Blue Origin Personnel, LLC
Reston, VA · Huntsville, AL · Denver, CO
As a Sr. RF Communications Systems Engineer, you will work closely with an accomplished team of Ground System, Software, Mission Systems and Flight Operations Engineers. You will lead and…
Added 8 mins ago
SDE III for Manufacturing Systems
Blue Origin Personnel, LLC
United States
We are looking for a Software Development Engineer (preferably with prior MES experience) who will own the backend infrastructure and ongoing management of internally built applications. In…
Added 10 mins ago
Senior Full Stack Engineer (Agentic Search) - Platform
Nebius
New York City, NY
We are looking for a Senior Full Stack Engineer to build how developers and AI agents access our agentic web infrastructure. This role is based in our New York office, hybrid with the NYC…
Added 14 mins ago
Manufacturing Integration & Test Engineer II
Relativity Space
Long Beach, CA
Own hardware from design release through build, test, and delivery for engine or vehicle systems, taking full responsibility for execution readiness and product quality across subassemblies…
Added 16 mins ago
EI
Staff Data Engineer - Full Time
Experity, Inc.
United States
- Full-time
Added 17 mins ago
Custom Software Engineer
Accenture Federal Services
Dayton, OH
Accenture Federal Services is seeking a Full Stack Software Engineer to join the Solutions Team. The ideal candidate will join a highly skilled, multi-discipline software development team…
Added 17 mins ago
Custom Software Engineer
Accenture Federal Services
Dayton, OH
Accenture Federal Services is seeking a Full Stack Software Engineer to join the Solutions Team. The ideal candidate will join a highly skilled, multi-discipline software development team…
Added 18 mins ago
PL
DevOps Engineer
Primordial Labs
Remote, United States
- $160,000 to $200,000 USD / year
…with no internet connection at all. We’re looking for a DevOps Engineer who will own how our software gets built, tested, and delivered.Your job is to turn mature our pipeline into a more…
Added 21 mins ago
P
Automation Engineer
PSI
Lexington, KY
- $100,000 to $140,000 USD / year
Having a full-stack mindset while working in team environments building complete solutions, not just independent AI algorithms, demonstrations, and experiments.
Added 21 mins ago
P
Manufacturing Engineer
PSI
Lexington, KY
- $100,000 to $150,000 USD / year
Having a full-stack mindset while working in team environments building complete solutions, not just independent AI algorithms, demonstrations, and experiments.
Added 23 mins ago
VL
Head of Content
vCluster Labs
Remote, United States
- $150,000 to $175,000 USD / year
…experience on their own GPU infrastructure. Our platform runs the full stack an operator needs, from bare metal provisioning and node lifecycle management up through managed Kubernetes,…
Added 23 mins ago
Senior Full Stack Engineer (Agentic Search) - Platform
Tavily
New York City, NY
We are looking for a Senior Full Stack Engineer to build how developers and AI agents access our agentic web infrastructure. This role is based in our New York office, hybrid with the NYC…
Added 25 mins ago
Product Engineer, Freight Tech
Ally Logistics
Grand Rapids, MI
Our Product Solutions team is looking for a Product Engineer to drive internal product outcomes across the business. This role sits at the intersection of business strategy and technical…
Added 27 mins ago
H
Principal Backend Engineer, Enterpise Platform
Horizon3
Remote, United States
- $255,000 to $295,000 USD / year
As a Principal Software Engineer on the Enterprise Platform team, you’ll set technical direction for foundational services that power NodeZero’s customer and partner experiences. You’ll…
Added 27 mins ago
H
Senior Full-Stack Engineer, Autonomous Defense
Horizon3
Remote, United States
- $195,000 to $235,000 USD / year
As a Senior Full-Stack Engineer on the Autonomous Defensive team, you'll build the platform that NodeZero's defensive agents run on. Our AI researchers define what these agents should…
Added 30 mins ago
Site Reliability Engineer
Anduril Industries
Waltham, MA
…challenges for the United States and its allies. We work across the full stack, from bare-metal hardware and firmware to networked services and cloud integrations, and we own our systems…
Added 31 mins ago
Prototype Fabricator
Panthalassa
Portland, OR
…fabrication and deployment at sea. If you are an excellent engineer, regardless of your background, we want you to…
Added 36 mins ago
Sr. Software Dev Engineer, AWS EKS
Amazon.com Services LLC
Seattle, WA · Santa Clara, CA
Amazon Web Services is looking for a Sr. Software Development Engineer to join our growing Amazon Elastic Container Services for Kubernetes (EKS) team. Amazon EKS is our managed Kubernetes…
Added 38 mins ago
FT
Principal Software Engineer (Python, Oracle, AWS)
Fidelity Technology Group, LLC
Boston, MA
- $107,000 to $216,000 USD / year
We are developing a Large Language Model (LLM)-first knowledge stack for investment professionals at Fidelity Asset Management – analysts and portfolio manager in equities, fixed income,…
Added 41 mins ago
MI
Mid-level Full Stack Software Engineer (TS/SCI)
Maxar Intelligence I
Westminster, CO
- $140,000 to $200,000 USD / year
We are seeking an experienced Full Stack Software Engineer to support the development, integration, and sustainment of data analytics applications and capabilities for a large-scale U.S.…
Added 41 mins ago
MI
Mid-level Full Stack Software Engineer (TS/SCI)
Maxar Intelligence I
Westminster, CO
- $140,000 to $200,000 USD / year
We are seeking an experienced Full Stack Software Engineer to support the development, integration, and sustainment of data analytics applications and capabilities for a large-scale U.S.…
Added 43 mins ago
Senior Software Engineer - Lab Automation
Genentech
South San Francisco, CA
Build across the full stack. Design, develop, deploy, and operate software spanning modern web frontends, backend services, APIs, databases, and cloud infrastructure.
Added 47 mins ago
Software Engineer, Full Stack
Pendo
Raleigh, NC
We’re looking for a Full Stack Software Engineer with a strong frontend focus to help build what’s next. In this role, you’ll work primarily in Vue, JavaScript, and TypeScript, while…
Added 51 mins ago
Senior AI Engineer
Provectus
Brooklyn, NY · Manhattan, NY · NY · NJ · San Francisco Bay Area, CA
…narrowing to one product. No legacy-maintenance grind, not a single…

Addgene

Application Developer IV

Watertown, MA, United States

SALARY $130,000 - $145,000

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Job details

Pay: SALARY $130,000 - $145,000
Apply by: Feb 1, 2027
Posting language: English
Posted: Nov 3, 2026

Original job description

TITLE Application Developer IV (Full Time)

WHAT YOU WILL ACHIEVE

The Application Developer IV will join our Application Development team to architect and build features across our digital products and lead complex technical initiatives. You’ll help shape how we build and evolve the systems that power Addgene’s operations and researcher experience, so we can better serve researchers and partners with greater reliability, clarity, and speed as the organization grows.

POSITION REPORTS TO

Director of Application Development

APPROXIMATE START DATE

January 2027

SALARY $130,000 - $145,000

LOCATION & POLICY ON REMOTE WORK

This role is completely flexible to be fully remote, hybrid, or onsite, whatever works best for you! Our office is located at 490 Arsenal Way in Watertown, Massachusetts. Our beautiful office space has free, ample parking with a complimentary shuttle from Harvard Square and is on multiple bus lines, with the cost of public transit fully covered by Addgene (if onsite at least 2 days/week).

You must be a resident in one of the following states: MA, VT, ME, RI, NC, FL, CO and OH.

The Role:

The Application Development team builds and evolves the systems behind Addgene’s digital products as part of our digital product development practice, collaborating closely with Digital Technology teams and others across the organization, so researchers and partners can rely on the high-quality solutions we deliver. We are looking for a senior engineer who brings sound judgment to complex technical work, drives challenging initiatives forward while staying aligned with roadmap priorities, and helps the team adapt its engineering practices as AI and other emerging tools reshape how we build software.

To Succeed in this Role, You Will:

Lead complex digital product initiatives from discovery through delivery: turn prioritized opportunities into sound technical solutions, provide clear options and reliable cost estimates, and advance roadmap outcomes through to completion
Architect and deliver features across our digital products, balancing roadmap goals with long-term maintainability and paying down technical debt as you go
Build and evolve systems and workflows that maintain data integrity under concurrent use, retries, and partial failures
Help the team evaluate and adopt AI and other emerging tools in ways that improve how we build and deliver software
Improve our test strategy by choosing the right kinds of tests so the team can ship confidently and efficiently
Identify where performance improvements matter most and use data to guide and confirm the results
Help other engineers grow through mentoring, code review, and pair programming

Skills and Competencies Must-haves

6+ years building and maintaining production web applications, with deep Python and Django expertise
Working fluency across a modern web stack: JavaScript, HTML/CSS, SQL, REST APIs, Docker, Git and CI
A track record of shaping test strategy for a codebase, balancing speed, coverage and confidence, and helping others do the same
Experience designing systems that maintain data integrity under concurrent use, with sound transaction handling and idempotent operations
Strong instincts for clean, maintainable design, favoring explicit dependencies and well-scoped state over shortcuts
Deep experience with database performance in Django applications, from query design to indexing and profiling
Experience making significant data-model changes and migrations in a production application without disrupting users
Experience with search relevance, embeddings, or recommendation systems, including measuring whether results actually improved
Experience building, evaluating or integrating machine learning or LLM-based features, such as classification, ranking or features that work with scientific data

Behavioral competencies

Takes ownership of work from first idea through production, and follows through
Leads through influence: disagrees constructively, explains tradeoffs to non-engineers and builds shared approaches
Seeks and acts on feedback as readily as giving it
Mentors generously and shares knowledge openly
Thinks ahead about what could go wrong and raises risks early
Stays curious and keeps learning as tools and practices evolve

Nice to have (not required) None of these are necessary to apply. Each would be a welcome addition to the team.

Experience with AI-assisted development beyond individual use: helping define a team’s AI coding harness (shared agent instructions, guardrails, evaluations and automated quality checks) and keeping current as these tools and practices evolve
Designing versioned public APIs and role-based access control for external partners or customers
Advanced software design: layered or domain-driven design in Django, async or event-driven patterns, observability, and web security practices such as Content Security Policy
Third-party integrations and data pipelines, including responsible handling of personal data
Familiarity with molecular biology, lab workflows or research data

Addgene is an Equal Opportunity Employer and considers all applicants without regard to race, color, religion, national origin, sex, ancestry, sexual orientation, genetic information, gender identity, active military or veteran status, age, handicap, or any other characteristic protected by Federal, State or Local law.

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More about this job

Skills

Coaching
Python
Django
JavaScript
HTML
CSS
SQL
API development
Docker
Git
Machine learning
Statistical quality control
Molecular biology
Research

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